<template>
<div>

  <div style="padding: 10px 0">
    <el-input style="width: 200px" placeholder="请输入姓名" class="ml-5" suffix-icon="el-icon-search"
              v-model="name"
    ></el-input>
    <el-button type="primary" class="ml-5" @click="load">查询</el-button>
    <el-button type="warning"  @click="reset">重置</el-button>
  </div>
  <div style="margin: 10px 0">
    <el-button type="primary" @click="handeladd"><i class=" el-icon-plus"></i>新增</el-button>
    <el-popconfirm
        class="ml-5"
        confirm-button-text='确定'
        cancel-button-text='我再想想'
        icon="el-icon-info"
        icon-color="red"
        title="您确定全部删除吗？"
        @confirm="deletebatch"
    >
      <el-button type="danger"class="mr-5" slot="reference"><i class="el-icon-delete"></i>批量删除</el-button>
    </el-popconfirm>
  </div>
  <el-table :data="tableData" border stripe   @selection-change="handleSelectionChange">
    <el-table-column type="selection" width="55">
    </el-table-column>
    <el-table-column prop="id" label="ID" width="100">
    </el-table-column>
    <el-table-column prop="name" label="名称">
    </el-table-column>
    <el-table-column prop="description" label="描述">
    </el-table-column>
    <el-table-column prop="flag" label="唯一标识">
    </el-table-column>
    <el-table-column label="操作" width="400" >
      <!--eslint-disable-next-line-->
      <template slot-scope="scope">
        <el-button type="info" @click="handelMenu(scope.row.id)">分配菜单<i class="el-icon-menu"></i></el-button>
        <el-button type="success" @click="handelEdit(scope.row)">编辑<i class="el-icon-edit"></i></el-button>
        <el-popconfirm
            class="ml-5"
            confirm-button-text='确定'
            cancel-button-text='我再想想'
            icon="el-icon-info"
            icon-color="red"
            title="您确定删除吗？"
            @confirm="handelDelete(scope.row.id)"
        >
          <el-button type="danger" slot="reference">删除<i class="el-icon-delete"></i></el-button>
        </el-popconfirm>
      </template>
    </el-table-column>

  </el-table>
  <div style="padding: 10px 0">
    <el-pagination
        @size-change="handleSizeChange"
        @current-change="handleCurrentChange"
        :current-page="pagenum"
        :page-sizes="[2, 5, 10]"
        :page-size="pagesize"
        layout="total, sizes, prev, pager, next, jumper"
        :total="total">
    </el-pagination>
  </div>
  <el-dialog title="角色信息" :visible.sync="dialogFormVisible" width="30%" append-to-body style="padding: 0 50px">
    <el-form label-width="80px" size="small">
      <el-form-item label="姓名:">
        <el-input v-model="form.name" autocomplete="off"></el-input>
      </el-form-item>
      <el-form-item label="描述:">
        <el-input v-model="form.description" autocomplete="off"></el-input>
      </el-form-item>
      <el-form-item label="唯一标识:">
        <el-input v-model="form.flag" autocomplete="off"></el-input>
      </el-form-item>
    </el-form>
    <div slot="footer" class="dialog-footer">
      <el-button @click="dialogFormVisible = false">取 消</el-button>
      <el-button type="primary" @click="save">确 定</el-button>
    </div>
  </el-dialog>

  <el-dialog title="菜单分配" :visible.sync="MenuDialog" width="30%" append-to-body>
    <el-tree
        :props="props"
        :data="menuData"
        show-checkbox
        node-key="id"
        ref="tree"
        :default-expanded-keys="expends"
        :default-checked-keys="checks"
    >
            <span slot-scope="{ node, data }">
              <span><i :class="data.icon"></i>{{ data.name }}</span>
            </span>
    </el-tree>
    <div slot="footer" class="dialog-footer">
      <el-button @click="MenuDialog = false">取 消</el-button>
      <el-button type="primary" @click="saveRoleMenu">确 定</el-button>
    </div>
  </el-dialog>

</div>
</template>

<script>
export default {
  name: "Role",
  data(){
    return {
      tableData:[],
      user:localStorage.getItem("user")?JSON.parse(localStorage.getItem("user")):{},
      total:0,
      pagesize:2,
      pagenum:1,
      name:"",
      description:"",
      flag:"",
      MenuDialog:false,
      dialogFormVisible:false,
      form: {},
      multipleSelection:[],
      menuData:[],
      props:{
        label:'name'
      },
      expends:[],
      checks:[],
      roleId:0
    }
  },
  created() {
    this.load()
  },
  methods:{
    load(){
      //请求分页查询数据
      this.request.get("/role/page",{
        params:{
          pageNum:this.pagenum,
          pageSize:this.pagesize,
          name:this.name
        }
      }).then(res =>{
        console.log(res)
        this.tableData=res.data.records
        this.total=res.data.total
      })
    },
    save(){
      this.request.post("/role",this.form,this.id).then(res =>{
        if(res.data) {
          this.$message.success("保存成功")
          this.load()
        }else {
          this.$message.error("保存失败")
        }
      })
      this.dialogFormVisible = false
    },
    saveRoleMenu(){
      this.request.post("/role/roleMenu/"+this.roleId,this.$refs.tree.getCheckedKeys()).then(res=>{
        if (res.code==='200'){
          this.$message.success("绑定成功")
          this.MenuDialog=false
          if (this.user.role==='ROLE_ADMIN'){
            localStorage.removeItem("user")
            localStorage.removeItem("menus")
            this.$router.push('/login')
          }
        }else {
          this.$message.error("绑定失败")
        }
      })
    },
    handleSelectionChange(val){
      console.log(val);
      this.multipleSelection=val
    },
    deletebatch(){
      let ids=this.multipleSelection.map(v =>v.id);
      console.log(ids)
      this.request.post("/role/del/batch",ids).then(res =>{
        if(res.data) {
          this.$message.success("删除成功")
          this.load()
        }else {
          this.$message.error("删除失败")
        }
      })

    },
    reset(){
      this.name=""
      this.load()
    },
    handleSizeChange(pagesize){
      this.pagesize=pagesize
      this.load()
    },
    handeladd(){
      this.form={}
      this.dialogFormVisible=true
    },
    handelEdit(row){
      this.form=row
      this.dialogFormVisible=true
    },
    handelMenu(roleId){
      this.MenuDialog=true
      this.roleId=roleId
      //请求分页查询数据
      this.request.get("/menu",{
        params:{
          name:""
        }
      }).then(res =>{
        this.menuData=res.data
        //把后台返回的菜单数据处理成id数组
        this.expends= this.menuData.map(v => v.id)
      })

      this.request.get("/role/roleMenu/"+roleId).then(res=>{
        this.MenuDialog=true
        this.checks = res.data

        this.request.get("/menu/ids").then(res=>{
          const ids=res.data
          ids.forEach(id =>{
            if (!this.checks.includes(id)){
              this.$refs.tree.setChecked(id,false)
            }
          })
        })
      })
    },
    handelDelete(id) {
      this.request.delete("/role/" + id).then(res =>{
        if(res.data) {
          this.$message.success("删除成功")
          this.load()
        }else {
          this.$message.error("删除失败")

        }
      })
    },
    handleCurrentChange(pagenum){
      this.pagenum=pagenum
      this.load()
    },
  }
}
</script>
